PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26-799Wrench,box

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-503-1869 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-503-1869 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-503-1869. Primary manufacturer part number: 26-799.
Features
  • Wrench,box — FSC 5120
  • Small End Outside Diameter: 2.093 INCHES NOMINAL IN
  • Large End Outside Diameter: 2.312 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Large End Head Thickness: 1.000 INCHES NOMINAL IN
  • Small End Head Thickness: 0.938 INCHES NOMINAL IN
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-01-503-1869, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-503-1869
Primary Part Number26-799
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Small End Outside Diameter2.093 INCHES NOMINAL IN
Large End Outside Diameter2.312 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Large End Head Thickness1.000 INCHES NOMINAL IN
Small End Head Thickness0.938 INCHES NOMINAL IN
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Wrenching Surface Size1.625 INCHES NOMINAL SECOND END IN
Wrenching Surface Size1.438 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-506-4726 INTERCHANGEABLE
Diaphragm,valve,flat
2520-01-294-58984102-TW INTERCHANGEABLE
Breather
Tulsa Winch, Inc.
6520-01-482-122429157 INTERCHANGEABLE
Dental Screwdriver
Nobel Biocare Usa, Llc
Cross-Reference Index
Part NumberManufacturer
26-799 Apex Tool Group, Llc Dba Nicholson (USA)
26-799 Armstrong Bros Tool Co (USA)
26-799 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
4820-00-506-4726INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
2520-01-294-5898INTERCHANGEABLE
BREATHER
4102-TW
6520-01-482-1224INTERCHANGEABLE
DENTAL SCREWDRIVER
29157

Frequently Asked Questions

What is NSN 5120-01-503-1869?

NSN 5120-01-503-1869 is a Wrench,box, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-503-1869?

NSN 5120-01-503-1869 has 3 cross-referenced part numbers: 26-799 (Apex Tool Group, Llc Dba Nicholson), 26-799 (Armstrong Bros Tool Co), 26-799 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.).

What NSN replaces 5120-01-503-1869?

There are 3 known substitutes for 5120-01-503-1869: 4820-00-506-4726, 2520-01-294-5898, 6520-01-482-1224. Verify interchangeability with system specifications before substitution.

What are the specifications of 26-799?

Key specifications for 26-799: Small End Outside Diameter: 2.093 INCHES NOMINAL IN; Large End Outside Diameter: 2.312 INCHES NOMINAL IN; Material: STEEL OVERALL; Surface Treatment: CHROMIUM OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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